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How surface stress transforms surface profiles and adhesion of rough elastic bodies

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Title: How surface stress transforms surface profiles and adhesion of rough elastic bodies
Authors: Hui, Chung-Yuen Browse this author
Liu, Zezhou Browse this author
Bain, Nicolas Browse this author
Jagota, Anand Browse this author
Dufresne, Eric R. Browse this author
Style, Robert W. Browse this author
Kiyama, Ryuji Browse this author
Gong, Jian Ping Browse this author →KAKEN DB
Keywords: surface stress
transfer function
surface roughness spectrum
Issue Date: 25-Nov-2020
Publisher: Royal Society
Journal Title: Proceedings of the royal society a-mathematical physical and engineering sciences
Volume: 476
Issue: 2243
Start Page: 20200477
Publisher DOI: 10.1098/rspa.2020.0477
Abstract: The surface of soft solids carries a surface stress that tends to flatten surface profiles. For example, surface features on a soft solid, fabricated by moulding against a stiff-patterned substrate, tend to flatten upon removal from the mould. In this work, we derive a transfer function in an explicit form that, given any initial surface profile, shows how to compute the shape of the corresponding flattened profile. We provide analytical results for several applications including flattening of one-dimensional and two-dimensional periodic structures, qualitative changes to the surface roughness spectrum, and how that strongly influences adhesion.
Type: article (author version)
Appears in Collections:国際連携研究教育局 : GI-CoRE (Global Institution for Collaborative Research and Education : GI-CoRE) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Hui Chungyuen

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